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https://www.readbyqxmd.com/read/28445701/prevalence-antimicrobial-susceptibility-and-multiplex-pcr-serotyping-of-listeria-monocytogenes-isolated-from-humans-foods-and-livestock-in-iran
#1
Lida Lotfollahi, Ardalan Chaharbalesh, Mohammad AhangarzadehRezaee, Alka Hasani
Listeria monocytogenes is a foodborne pathogen causing listeriosis, which potentially affects all individuals, especially pregnant women and immunocompromised persons. The present study investigated the prevalence, antimicrobial susceptibility and serotypes distribution of the isolated L. monocytogenes from Iran. Twenty two (4.97%) of 442 human, food and livestock samples were found to be positive for L. monocytogenes. L. monocytogenes was identified in 8.8% of 125 human samples, 2.99% of 267 food and 6% of 50 livestock samples...
April 23, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28444157/risk-of-congenital-syphilis-following-treatment-of-maternal-syphilis-results-of-a-congenital-syphilis-control-program-in-china
#2
Fu-Chang Hong, Xiao-Bing Wu, Fan Yang, Li-Na Lan, Yang Guan, Chun-Lai Zhang, Tie-Jian Feng, Ying-Zhou Yang, Yue-Ping Yin, Wei-Ye Yu, Xiang-Sheng Chen
Background.: Early screening for syphilis among pregnant women and the effective treatment of maternal syphilis is fundamental to prevent congenital syphilis (CS). Methods.: We obtained data from the Shenzhen Program for Prevention of Congenital Syphilis (SPPCS) and estimated incidence rates of CS among infants born to syphilis-seropositive women treated with different regimens or untreated for maternal syphilis. Results.: 4746 matched cases of syphilis-seropositive mothers and their infants were included for analyses and 162 infants were diagnosed with CS, providing an overall incidence of 3...
April 21, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28443585/pneumococcal-nasopharyngeal-carriage-in-young-healthy-children-after-pneumococcal-conjugate-vaccine-in-turkey
#3
Ahmet Arvas, Haluk Çokuğraş, Emel Gür, Nevriye Gönüllü, Zeynep Taner, Hrisi Bahar Tokman
AIMS: The purpose of this study was to determine the prevalence of nasopharyngeal carriage of Streptococcus pneumoniae in healthy children aged 0-6 years who were vaccinated with pneumococcal conjugate vaccine. METHODS: The cross-sectional study was conducted on 150 healthy Turkish children aged between 1 month and 6 years of age. Serotyping was performed and risk factors of carriage were evaluated. RESULTS: The overall carriage rate was 14%...
April 13, 2017: Balkan Medical Journal
https://www.readbyqxmd.com/read/28443224/the-effect-of-lactobacillus-acidophilus-ptcc-1643-on-cultured-intestinal-epithelial-cells-infected-with-salmonella-enterica-serovar-enteritidis
#4
Mona Moshiri, Mohammad Mehdi Soltan Dallal, Farhad Rezaei, Masoumeh Douraghi, Laleh Sharifi, Zahra Noroozbabaei, Mehrdad Gholami, Abbas Mirshafiey
OBJECTIVES: Gastrointestinal disorders caused by Salmonella enterica serovar Enteritidis (SesE) are a significant health problem around the globe. Probiotic bacteria have been shown to have positive effects on the immune responses. Lactobacillus acidophilus was examined for its capability to influence the innate immune response of HT29 intestinal epithelial cells towards SesE. The purpose of this work was to assess the effect of L. acidophilus PTCC 1643 on cultured intestinal epithelial cells infected with SesE...
February 2017: Osong Public Health and Research Perspectives
https://www.readbyqxmd.com/read/28443187/treatment-with-penicillin-g-and-hydrocortisone-reduces-als-associated-symptoms-a-case-series-of-three-patients
#5
Bert Tuk, Harmen Jousma, Pieter J Gaillard
Three male Caucasian patients with ALS were admitted to the hospital due to progressive dysphagia and dysarthria. During two 21-day courses of penicillin G and hydrocortisone, these patients' dysphagia and dysarthria resolved. The patient's other ALS-associated symptoms also improved, including respiratory function, coordination, walking, and muscle strength. This is the first report of a treatment with a protocol for treating dysphagia, dysarthria, respiratory depression and other ALS-related symptoms. Furthermore, the observations are consistent with the recent hypothesis that the successful treatment of ALS symptoms with this treatment course in six patients with syphilitic ALS was not directly due to the treatment of syphilis; but that the administered penicillin G and/or hydrocortisone treated these patients' ALS symptoms due the off-target pharmacological activity of penicillin G and/or hydrocortisone...
2017: F1000Research
https://www.readbyqxmd.com/read/28441789/comparing-apoptosis-and-necrosis-effects-of-arctium-lappa-root-extract-and-doxorubicin-on-mcf7-and-mda-mb-231-cell-lines
#6
Fereshteh Ghafari, Mohammad Reza Rajabi, Tahereh Mazoochi, Mohsen Taghizadeh, Hossein Nikzad, Mohammad Ali Atlasi, Aliakbar Taherian
Objective: Breast cancer is a heterogeneous disease and very common malignancy in women worldwide. The efficacy of chemotherapy as an important part of breast cancer treatment is limited due to its side effects. While pharmaceutical companies are looking for better chemicals, research on traditional medicines that generally have fewer side effects is quite interesting. In this study, apoptosis and necrosis effect of Arctium lappa and doxorubicin was compared in MCF7, and MDA-MB-231 cell lines. Materials and Methods: MCF7 and MDA-MB-231 cells were cultured in RPMI 1640 containing 10% FBS and 100 U/ml penicillin/streptomycin...
March 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28440997/-neisseria-meningitidis-a-clinical-case-with-multi-organ-affection
#7
Alejandro Medina-Reyes, Beatriz Díaz-Polanco, Diego Sandoval-Chávez, Manuel Nodal-Hernández, Juan R Ayala-Franco
Neisseria meningitidis (Nm) is an agent feared for decades in the medical field due to its important morbidity and mortality. Ironically between 10 and 15% of the population will be asymptomatic carriers of this germ, which will also be ready to activate and manifest itself as a sickness at the right moment. We present the case of a nine-year-old girl who arrived at the Pediatric Emergency Service (to the Hospital General Region number 35, in Ciudad Juárez, Chihuahua) with the disease in multiple organs, where the Nm was isolated in the cerebrospinal fluid and in skin injuries, displaying three serotypes of Nm...
May 2017: Revista Médica del Instituto Mexicano del Seguro Social
https://www.readbyqxmd.com/read/28439602/antibiogram-profile-of-septic-meningitis-among-children-in-duhok-iraq
#8
Abdulrahman T Saadi, Nadir A Garjees, Aveen H Rasool
  To determine the prevalence of bacteria in the cerebrospinal fluid (CSF), and the antibiogram profile in pediatric patients with suspected meningitis. Methods: This descriptive study was conducted between January 2014 and January 2016 in the Hevi Paediatric Teaching Hospital in Duhok, Iraq. The CSF samples were withdrawn from 432 pediatric patients suspected of meningitis. The samples were cultured, and antibiotic sensitivity tests were performed.  Results: There were 33 (7.6%) culture positive cases among 432 CSF samples...
May 2017: Saudi Medical Journal
https://www.readbyqxmd.com/read/28439489/detection-and-analysis-of-lactobacillus-paracasei-penicillin-binding-proteins-revealed-the-presence-of-cholate-sensitive-penicillin-binding-protein-3-and-an-elongated-cell-shape-in-a-cholate-sensitive-strain
#9
Masahiro Hattori, Glaezel Angelique Torres, Naoto Tanaka, Sanae Okada, Akihito Endo, Junichi Nakagawa
Penicillin-binding proteins (PBPs) are responsible for peptidoglycan synthesis. By using biotinylated ampicillin, we detected PBPs of Lactobacillus paracasei strains. Ten PBPs were identified, 7 of which had apparent molecular sizes similar to those of Escherichia coli. In the presence of cholate, strain NRIC 0625 showed an elongated shape, and its putative PBP3 showed cholate-sensitive penicillin-binding activity. Furthermore, this strain was highly sensitive to cefalexin, which is known to inhibit cell division by inactivating PBP3...
2017: Bioscience of Microbiota, Food and Health
https://www.readbyqxmd.com/read/28439396/antibiotics-impact-plant-traits-even-at-small-concentrations
#10
Vanessa Minden, Andrea Deloy, Anna Martina Volkert, Sara Diana Leonhardt, Gesine Pufal
Antibiotics of veterinary origin are released to agricultural fields via grazing animals or manure. Possible effects on human health through the consumption of antibiotic exposed crop plants have been intensively investigated. However, information is still lacking on the effects of antibiotics on plants themselves, particularly on non-crop species, although evidence suggests adverse effects of antibiotics on growth and performance of plants. This study evaluated the effects of three major antibiotics, penicillin, sulfadiazine and tetracycline, on the germination rates and post-germinative traits of four plant species during ontogenesis and at the time of full development...
March 2017: AoB Plants
https://www.readbyqxmd.com/read/28438590/antibiotic-prophylaxis-in-cataract-surgery-in-the-setting-of-penicillin-allergy-a-decision-making-algorithm
#11
REVIEW
Benjamin R LaHood, Nicholas Andrew, Michael Goggin
Cataract surgery is the most commonly performed surgical procedure in many developed countries. Post-operative endophthalmitis is a rare complication with potentially devastating visual outcomes. Currently, there is no global consensus regarding antibiotic prophylaxis in cataract surgery despite growing evidence of the benefits of prophylactic intracameral cefuroxime at the conclusion of surgery. The decision about which antibiotic regimen to use is further complicated in patients reporting penicillin allergy...
April 21, 2017: Survey of Ophthalmology
https://www.readbyqxmd.com/read/28437695/fe-iii-promoted-transformation-of-%C3%AE-lactam-antibiotics-hydrolysis-vs-oxidation
#12
Jiabin Chen, Ying Wang, Yajie Qian, Tianyin Huang
The widely used β-lactam antibiotics are susceptible to oxidative and/or hydrolytic degradation promoted by some metal ions (e.g., Cu(II)). Ferric ions (Fe(III)) are among the most common metal ions, but their role in the environmental transformation and fate of β-lactam antibiotics is still unknown. This study elucidates that Fe(III) can promote degradation of β-lactam antibiotics under environmental aquatic conditions. Degradation rate constants of ampicillin (AMP) linearly increased with increasing Fe(III) concentration, but were independent of AMP concentration when AMP was higher than Fe(III) concentration...
April 6, 2017: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/28435789/aerococcus-urinae-an-emerging-cause-of-urinary-tract-infection-in-older-adults-with-multimorbidity-and-urologic-cancer
#13
Andrew Higgins, Tullika Garg
Aerococcus urinae is a rare organism isolated from urine cultures. We present a case of an 80 year-old male with bladder cancer and multimorbidity who developed A. urinae infection. A. urinae may cause simple and complicated UTIs, bacteremia, and endocarditis in older adults with multimorbidity, chronic urinary retention, or indwelling catheters. A. urinae treatment should employ penicillin, amoxicillin, and nitrofurantoin. Due to increasing antibiotic resistance, urine culture should include antibiotic susceptibility testing...
July 2017: Urology Case Reports
https://www.readbyqxmd.com/read/28435202/phenotypic-and-genotypic-characterization-of-methicillin-resistant-staphylococcus-aureus-from-bovine-mastitis
#14
S Hamid, Mohd Altaf Bhat, Irfan Ahmad Mir, Anil Taku, Gulzar Ahmad Badroo, Salik Nazki, Andleeb Malik
AIM: This study was conducted to determine the occurrence of methicillin-sensitive and Staphylococcus aureus (MSSA) methicillin-resistant S. aureus (MRSA) from bovine mastitis and to characterize them with respect to antibiotic resistance gene mecA. MATERIALS AND METHODS: A total of 160 mastitic milk samples were screened for the presence of S. aureus. The presumptive positive isolates were confirmed using nuc and 23S rRNA gene-based polymerase chain reaction. All the confirmed isolates were subjected to in vitro antibiogram using a number of antibiotics...
March 2017: Veterinary World
https://www.readbyqxmd.com/read/28433670/evaluation-of-the-routine-antimicrobial-susceptibility-testing-results-of-clinically-significant-anaerobic-bacteria-in-a-slovenian-tertiary-care-hospital-in-2015
#15
Samo Jeverica, Urša Kolenc, Manica Mueller-Premru, Lea Papst
The aim of our study was to determined antimicrobial susceptibility profiles of 2673 clinically significant anaerobic bacteria belonging to the major genera, isolated in 2015 in a large tertiary-care hospital in Slovenia. The species identification was performed by MALDI-TOF mass spectrometry. Antimicrobial susceptibility was determined immediately at the isolation of the strains against: penicillin, co-amoxiclav, imipenem, clindamycin and metronidazole, using gradient diffusion methodology and EUCAST breakpoints...
April 19, 2017: Anaerobe
https://www.readbyqxmd.com/read/28431817/pneumococcal-carriage-among-children-after-four-years-of-routine-10-valent-pneumococcal-conjugate-vaccine-use-in-brazil-the-emergence-of-multidrug-resistant-serotype-6c
#16
Felipe P G Neves, Nayara T Cardoso, Robert E Snyder, Mariel A Marlow, Claudete A A Cardoso, Lúcia M Teixeira, Lee W Riley
BACKGROUND: In 2010, the 10-valent pneumococcal conjugate vaccine (PCV10) was introduced free of charge in Brazil as part of the public immunization program. Here we investigated the carriage prevalence, colonization risk factors, capsular types, and antimicrobial resistance among pneumococcal isolates obtained from children in Brazil four years after routine PCV10 use. METHODS: Between September and December 2014, we conducted a cross-sectional study among children<6years old who attended one public and two private clinics in Niterói, RJ, Brazil to evaluate pneumococcal nasopharyngeal carriage...
April 18, 2017: Vaccine
https://www.readbyqxmd.com/read/28431096/a-new-rapid-resazurin-based-microdilution-assay-for-antimicrobial-susceptibility-testing-of-neisseria-gonorrhoeae
#17
Sunniva Foerster, Valentino Desilvestro, Lucy J Hathaway, Christian L Althaus, Magnus Unemo
Objectives: Rapid, cost-effective and objective methods for antimicrobial susceptibility testing of Neisseria gonorrhoeae would greatly enhance surveillance of antimicrobial resistance. Etest, disc diffusion and agar dilution methods are subjective, mostly laborious for large-scale testing and take ∼24 h. We aimed to develop a rapid broth microdilution assay using resazurin (blue), which is converted into resorufin (pink fluorescence) in the presence of viable bacteria. Methods: The resazurin-based broth microdilution assay was established using 132 N...
April 19, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28430673/antimicrobial-resistant-streptococcus-pneumoniae-prevalence-mechanisms-and-clinical-implications
#18
Regine Cherazard, Marcia Epstein, Thien-Ly Doan, Tanzila Salim, Sheena Bharti, Miriam A Smith
BACKGROUND: Streptococcus pneumoniae is a major cause of pneumonia, meningitis, sepsis, bacteremia, and otitis media. S. pneumoniae has developed increased resistance to multiple classes of antibiotics. STUDY DESIGN: Systematic literature review of prevalence, mechanisms, and clinical implications in S. pneumoniae resistance. AREAS OF UNCERTAINTY: Since S. pneumoniae resistance to penicillin was first reported with subsequent development of resistance to other classes of drugs, selection of appropriate antibiotic treatment is challenging...
April 19, 2017: American Journal of Therapeutics
https://www.readbyqxmd.com/read/28430048/a-spinal-epidural-abscess-due-to-streptobacillus-moniliformis-infection-following-a-rat-bite-case-report
#19
Alexander Hammer, Dorit Wolff, Walter Geißdörfer, Michael Schrey, Renate Ziegler, Hans-Herbert Steiner, Christian Bogdan
The authors describe the case of a 40-year-old man suffering from an epidural abscess in the thoracic spine due to a rarely isolated pathogen, Streptobacillus moniliformis, the causative agent of rat bite fever. Besides diffuse abdominal pain, ataxia, paresthesia, hypesthesia, and enhanced reflexes of the lower extremities, the patient suffered from a decreased sensation of bladder filling. His history was also positive for a rat bite 6 weeks earlier. Magnetic resonance imaging showed an epidural, space-occupying lesion compressing the spinal cord at the vertebral levels of T6-8...
April 21, 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/28429163/antimicrobial-susceptibility-of-bacterial-isolates-from-patients-presenting-with-ear-nose-and-throat-ent-infections-in-the-german-community-healthcare-setting
#20
B Olzowy, M Kresken, M Havel, D Hafner, B Körber-Irrgang
Empiric initial antibiotic therapy of bacterial infections is based primarily upon the susceptibility of the most common causative pathogens. The purpose of this study was to provide susceptibility data on six bacterial species known to cause ear, nose and throat (ENT) infections. A total of 1066 isolates collected during a nationwide laboratory-based surveillance study were analysed. All Streptococcus pyogenes isolates were penicillin (PEN)-susceptible, indicating that natural penicillins can still be recommended as the first-line treatment for group A streptococcal tonsillopharyngitis...
April 20, 2017: European Journal of Clinical Microbiology & Infectious Diseases
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